Crude Oil Brent US Dollars per Barrel September 1988 . . . In September of 1988, price of Brent crude was 13 18$ per barrel, while the price was 14 89$ dollars per barrel in August of 1988 Over last twelve months the price has fallen 28 02% Brent crude is extracted from the North Sea and is also known as London Brent, North Sea Oil, Brent Blend and Brent petroleum